Flora of North America species comparison

1–10 cm;

stipules membranous, soon ruptured, light becoming dark in age, silky-pilose, margins ciliate;

leaflets 5–17, scattered or congested, blades ovate-oblong to narrowly elliptic, 3–15 × 2–6 mm, apex acute or obtuse, surfaces pilose or sericeous.

1–10 cm, rachis longer than longest leaflet;

leaflets 11–15, well distributed on rachis, blade surfaces sericeous.

(3–)5–18-flowered, subcapitate or slightly elongate.

6–18-flowered.

1–13 cm, axis 0.5–3(–4) cm in fruit, appressed-pilose to villous-hirsute;

bract ovate-lanceolate to lanceolate, margins involute, shaggy-pilose.

erect, 2–15 cm, appressed-pilose, ascending-pilose, or villous-hirsute.

bright pink-purple or bluish purple, 15–19(–20) mm.

15–18(–20) mm.

deeply campanulate, villous to shaggy-villous, hairs mixed blackish and white, appearing gray, 2 mm;

tube 5.5–7 mm, slightly swollen to strongly inflated, variably accrescent, ruptured by fruit or not, lobes 2–4.5 mm.

becoming swollen, accrescent in fruit, constricted at mouth, enclosing mature legume, 10–14(–18) mm.

enclosed in or exserted from calyx, erect, sessile or short-stipitate, ovoid to narrowly oblong, turgid to inflated, 6–15(–20) × 4–6.5 mm, bilocular, papery to nearly membranous, white- or black-villous.

falling enclosed within calyx prior to dehiscence, ovoid, 6–10 × 4–5 mm.